True-to-Size Millimeter Sizing Comparison
Merrell Jungle Moc vs Reebok Classic Nylon
Detailed size conversion chart, cavity measurements in millimeters, and crowd-sourced fit advice for choosing your perfect size.
Interactive Size Converter
Select what size you wear in the Jungle Moc to see your calculated size in the Classic Nylon.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Jungle Moc (US) | Internal Cavity | Classic Nylon Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 7 | 267 mm | US 7.5 | 88% | -1.0 mm |
| US 7.5 | 270 mm | US 8 | 88% | -1.0 mm |
| US 8 | 273 mm | US 8.5 | 100% | 0.0 mm |
| US 8.5 | 277 mm | US 9 | 88% | -1.0 mm |
| US 9 | 280 mm | US 9.5 | 88% | -1.0 mm |
| US 9.5 | 283 mm | US 10 | 100% | 0.0 mm |
| US 10 | 287 mm | US 10.5 | 88% | -1.0 mm |
| US 10.5 | 290 mm | US 11 | 88% | -1.0 mm |
| US 11 | 293 mm | US 11.5 | 100% | 0.0 mm |
| US 11.5 | 297 mm | US 12 | 88% | -1.0 mm |
| US 12 | 300 mm | US 12.5 | 88% | -1.0 mm |
| US 12.5 | 303 mm | US 13 | 100% | 0.0 mm |
| US 13 | 307 mm | US 14 | 76% | +2.0 mm |
| US 14 | 313 mm | US 14 | 53% | -4.0 mm |
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Frequently Asked Questions
How does the Jungle Moc size compare to the Classic Nylon?
The Classic Nylon is about 4mm shorter than the Jungle Moc. We suggest ordering 1/2 size up in Classic Nylon. The Jungle Moc has an internal fit offset of 0mm compared to -4mm for the Classic Nylon.
Do these shoes fit wide feet comfortably?
The Jungle Moc has a standard medium width profile, while the Classic Nylon is standard medium.